From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0C294EEB59D for ; Thu, 12 Sep 2024 19:37:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:Subject:References:In-Reply-To:Message-ID:Cc:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=m4uVIsmRBCQS8wsoLOk+4cGG0ABaeIsPxjbzr7hkfCw=; b=ymWjDaD1FJnaF5vRm8RdJO69si 7zYl+hBQNdbCLS/NFBIkEfaRFCgQOZtnLSUwL+tH9MSDMrqXYTkGUDEMfNzLEaq0xdEswg7/X6Ius v0S9AdKw7J38fh7UexHI7zgE3kFZkBQA6Rt+BEK4GVs3WwO0fYrfyEKbAfs15drBr9N622UdBU65q XR6uP9TabwXEpGC+4u7lz9ue02LEj5o8lITG6cjlME0ab1XJDMfRTASVpqlpdor495O3WkxdVgOur m6EAMMkwgIGHRRLS1Cxcl0fncDArXKbW3nWoTmJMl9PDK+cHL6jOQYAd9+xvtalQSoRox2tpUr3b5 Va9IVfHQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sopcs-0000000E56I-3uEM; Thu, 12 Sep 2024 19:37:10 +0000 Received: from lithops.sigma-star.at ([195.201.40.130]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sopco-0000000E55a-2aQj for linux-um@lists.infradead.org; Thu, 12 Sep 2024 19:37:08 +0000 Received: from localhost (localhost [127.0.0.1]) by lithops.sigma-star.at (Postfix) with ESMTP id 3DC0C626FAF7; Thu, 12 Sep 2024 21:37:04 +0200 (CEST) Received: from lithops.sigma-star.at ([127.0.0.1]) by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id OTU2KmO2FZ4A; Thu, 12 Sep 2024 21:37:03 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by lithops.sigma-star.at (Postfix) with ESMTP id AD138626FB02; Thu, 12 Sep 2024 21:37:03 +0200 (CEST) Received: from lithops.sigma-star.at ([127.0.0.1]) by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 0XU1_VBP06iE; Thu, 12 Sep 2024 21:37:03 +0200 (CEST) Received: from lithops.sigma-star.at (lithops.sigma-star.at [195.201.40.130]) by lithops.sigma-star.at (Postfix) with ESMTP id 8B334626FAF7; Thu, 12 Sep 2024 21:37:03 +0200 (CEST) Date: Thu, 12 Sep 2024 21:37:03 +0200 (CEST) From: Richard Weinberger To: Matthew Wilcox Cc: Li Zetao , anton ivanov , Johannes Berg , linux-um , linux-kernel Message-ID: <108225933.37250.1726169823389.JavaMail.zimbra@nod.at> In-Reply-To: References: <20240820025045.13339-1-lizetao1@huawei.com> <731546887.37035.1726165368713.JavaMail.zimbra@nod.at> Subject: Re: [PATCH -next] hostfs: Convert hostfs_writepage to use folio MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [195.201.40.130] X-Mailer: Zimbra 8.8.12_GA_3807 (ZimbraWebClient - FF130 (Linux)/8.8.12_GA_3809) Thread-Topic: hostfs: Convert hostfs_writepage to use folio Thread-Index: RplTndW6NFIHyOhW2DjJoD9i6RjPoQ== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240912_123706_820879_4247F174 X-CRM114-Status: UNSURE ( 4.34 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-um" Errors-To: linux-um-bounces+linux-um=archiver.kernel.org@lists.infradead.org ----- Urspr=C3=BCngliche Mail ----- > Von: "Matthew Wilcox" >> > -=09buffer =3D kmap_local_page(page); >> > +=09buffer =3D kmap_local_folio(folio, 0); >=20 > These two lines assume that hostfs remains a non-large-folio filesystem. > I'm not sure what the plans are for hostfs. Somewhere deep on my TODO are plans to remove hostfs and replace it with something such as 9p or virtiofs. Any volunteers? :-) Thanks, //richard